Contribution Margin

Molly Company sells $36,000$ units at $$34$ per unit. Variable costs are $$25\mathrm{.}84$ per unit, and fixed costs are $$141,000.$

Determine $($a$)$ the contribution margin ratio, $($b$)$ the unit contribution margin, and $($c$)$ operating income.

a$.$ Contribution margin ratio $($Enter as a whole number.$)$

$\%$

b$.$ Unit contribution margin $($Round to the nearest cent.$)$